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Finding the Fourth Proportional to 8,333.88, 12,504.06 and 2,789.16

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Solution

The fourth proportional to 8,333.88, 12,504.06 and 2,789.16 is: 4,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.88 : 12,504.06 = 2,789.16 : x
  2. Step 2: Convert to fraction form
    8,333.88/12,504.06 = 2,789.16/x
  3. Step 3: Cross multiply
    8,333.88x = 12,504.06 × 2,789.16
  4. Step 4: Simplify right side
    8,333.88x = 34,875,823.99
  5. Step 5: Solve for x
    x = 34,875,823.99/8,333.88
  6. Step 6: Final answer
    x = 4,184.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.